Granted Patent
Utility
US 4,548,907 · App. 06/531,957
Fluorescent fluid determination method and apparatus
Inventors:
William R. Seitz, Zhang Zhujun
Patented Case
View Patent ↗
Granted: Oct 22, 1985
Filed: Sep 14, 1983
Inventors
William R. Seitz
Zhang Zhujun
Assignee (at issue)
ALLIED CONSULTING, INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.